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Archives of Biochemistry and Biophysics, 2016
Certain medications can interfere with vitamin B12 absorption or metabolism, potentially leading to abnormal B12 levels in the blood, especially in cases where the body does not absorb or utilise B12 properly
PMID: 39191757 Nat Commun 2026 Mar 13;17(1):3879
Look for HPLC-MS verification showing greater than 98% purity (preferably 99%+) and endotoxin testing confirming bacterial contamination levels below safe thresholds
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